No. The non-hydro fan 4.7's have a factory trans cooler option that mounts on the passenger side of the radiator. On the driver's side mounted to the front crossmember is a little single row PS cooler. When they made the switch to the hydro fans the external trans cooler was no longer an option on the 4.7 as the new fan setup required the use of a larger PS cooler, which is mounted in the same place as the optional trans cooler on the older 4.7's.

I recently added an external trans cooler and removed the radiator-integrated trans cooler unit from the circuit. Easy to install, no issues.
Having the trans fluid run within the radiator to cool it just didn't seem too effective to me.

I recently added an external trans cooler and removed the radiator-integrated trans cooler unit from the circuit. Easy to install, no issues. Having the trans fluid run within the radiator to cool it just didn't seem too effective to me.

Were you monitoring your trans temps before to know its effective and what's the difference with the external only cooler.

I recently added an external trans cooler and removed the radiator-integrated trans cooler unit from the circuit. Easy to install, no issues.
Having the trans fluid run within the radiator to cool it just didn't seem too effective to me.

I think it's more for keeping fluid temps consistent rather than maximum cooling. That being said, most quality external coolers have internal bypasses to reduce cooling when the fluid drops below a certain temp.

His: '00 WJ 4.7 Limited- Some stuff

Hers: '03 WJ 4.7 Laredo- Some more stuff

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For some reason I thought that was a 4.0 specific thing in '04. I think it's more for keeping fluid temps consistent rather than maximum cooling. That being said, most quality external coolers have internal bypasses to reduce cooling when the fluid drops below a certain temp.

No.. I was not monitoring the trans temp. I cant get that to appear on my cheap scan tool. I'm not 100% that it's any cooler but the cooler now being in the grill separate and before the radiator is a more comforting arrangement.
It is a B&M unit. Mine has no internal valve to ensure it is up to temp but perhaps there is one further towards the trans or before the lines exit the trans? In my climate, I'm not concerned about that particular feature anyway.

It is a B&M unit. Mine has no internal valve to ensure it is up to temp but perhaps there is one further towards the trans or before the lines exit the trans? In my climate, I'm not concerned about that particular feature anyway.

I installed the B&M 70268 in our '03. Here's the product description:

Quote:

Adding this B&M SuperCooler keeps the ATF and transmission cooler, and keeping a vehicle's transmission cool is essential for dependability, especially in performance applications. The unit is designed to be very efficient for its size and weight, to cool much better than an ordinary 'fin and tube' cooler, and to reduce the risk of lube system failure. Using fluxless, oven brazed construction for vibration resistance, it is built out of lightweight aluminum alloy and features a revolutionary 'stacked plate' design with multiple oil flow paths. The unit monitors resistance to flow by allowing a controlled amount of ATF to pass through a self-regulating orifice. Controlled by viscosity, thicker ATF is returned directly to lube through two bypass openings in the stacked plate core, while thinner ATF is directed through the core to cool as operating temperatures increase.

I imagine most, if not all, of their coolers offer this feature.

His: '00 WJ 4.7 Limited- Some stuff

Hers: '03 WJ 4.7 Laredo- Some more stuff

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Anyone use the spectra radiator sold by Autozone? $150 with a lifetime warranty.

I personally wouldn't install anything from that parts chain. Check around and find a commercial supplier that sells to commercial garages. You will get a better quality part for around the same price.

I personally wouldn't install anything from that parts chain. Check around and find a commercial supplier that sells to commercial garages. You will get a better quality part for around the same price.

You mean like AutoZone? Commercial sales are how they make the large majority of their money, they even supply parts sometimes to dealerships

Now having said that a lot of parts house parts are cheap ****. But then again a lot of them are OEM suppliers. I feel like it's always hard to tell what you're getting.

I've used the autozone radiator.
After I swapped out my leaking factory radiator I bent my radiator cross member wheeling. That caused my radiator to weep on the epoxy ends and I was able to get it replaced for free under their warranty.
I got a different brand of radiator each time. If that matters

I've got a quick hijack question. Our 02 Limited 4.7 radiator has sprung a leak. I have a 99 Limited 4.7 to get a good radiator from. Yet AutoZone shows two different part numbers even though both are seemingly identical. Will it work anyway?